Top 10 Undertale AU's

Create a Sans AUs ships BIG (142 ships) Tier List - TierMaker

Are undertale AUS canon to you? : r/Undertale

UT: Sans Au Fight! 2 - Roblox

Undertale AU: Rewind!Sans - Color Test by WishingStarInAJar -- Fur Affinity [dot] net

Sans from undertale

Undertale AU Dusttale Sans Megalovania But It's Lofi - Single - Album by Frostfm - Apple Music

WHAT UNDERTALE AU IS THAT?

Undertale AU Dreamtale: Immersive Dreamer (Dream Sans) by Frostfm on Music

Undertale AU - Undertale AU added a new photo.

Undertale au sans fell outerdust